This Whirlpool refrigerator shelf rail is an original part number 12012803, model name Whirlpool 12012803, and type of shelf rail. It is compatible with various Whirlpool refrigerator models and is an essential part for maintaining the integrity of your refrigerator's shelving system. Made with high-quality materials, this shelf rail is built to last and will provide reliable performance for years to come. It is easy to install and will fit seamlessly into your refrigerator's existing shelving structure.